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KMID : 0361020070500030229
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Korean Journal of Otolaryngology - Head and Neck Surgery
2007 Volume.50 No. 3 p.229 ~ p.234
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Clinical Significance of Nasal Secretory Proteins in Chronic Sinonasal Diseases
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Choi Jong-Cheol
Yoon Jung-Hee
Kim Jong-Yeup
Kim Min-Wook
Cho Min-Jung
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Abstract
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Background & Objectives: Many studies report changes in the expressions of nasal secretory proteins which play important roles in the evaluation of sinonasal mucosal status. The biomarkers in nasal secretions provide valuable information on pathophysiological status of the rhinosinusitis. We have monitored the level and ratio of nasal secretion markers, especially secretory IgA (sIgA) and lactoferrin as markers of sinonasal submucosal glands to evaluate mucosal status for chronic sinonasal diseases and allergic rhinitis.
Subjects & Methods: Samples were obtained with the filter paper absorption method from 20 normal healthy controls (Group I), 20 patients with chronic rhinosinusitis (Group II), 20 patients with allergic rhinitis (Group III), 20 normalized persons of chronic rhinosinusitis patients treated with antibiotics, previously (Group IV). We estimated concentrations of sIgA and lactoferrin determined by enzyme-linked immunosorbent assay method.
Results: The concentration of sIgA and lactoferrin in nasal secretion showed a significant difference between the control group and other groups (p<0.05). The sIgA/lactoferrin ratio was more highly significant in the normal group and normalized in chronic rhinosinusitis patients treated with antibiotics (Group IV) than other groups (p<0.05).
Conclusion: In this study, sIgA and lactoferrin are useful secretion markers and the levels of sIgA, lactoferrin and sIgA/lactoferrin ratios in nasal secretions seem to be very useful parameters for monitoring and assessing the conditions of the sinonasal mucosal diseases.
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KEYWORD
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Secretory Proteins, Secretory IgA, Lectoferrin, Chronic rhinosinusitis
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